21093504

素因数分解:

$2^7\times 3^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 56540640

約数和(自身を除く): 35447136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 163, 192, 326, 337, 384, 489, 652, 674, 978, 1011, 1304, 1348, 1956, 2022, 2608, 2696, 3912, 4044, 5216, 5392, 7824, 8088, 10432, 10784, 15648, 16176, 20864, 21568, 31296, 32352, 43136, 54931, 62592, 64704, 109862, 129408, 164793, 219724, 329586, 439448, 659172, 878896, 1318344, 1757792, 2636688, 3515584, 5273376, 7031168, 10546752, 21093504]

約数ペア:

[(1, 21093504), (2, 10546752), (3, 7031168), (4, 5273376), (6, 3515584), (8, 2636688), (12, 1757792), (16, 1318344), (24, 878896), (32, 659172), (48, 439448), (64, 329586), (96, 219724), (128, 164793), (163, 129408), (192, 109862), (326, 64704), (337, 62592), (384, 54931), (489, 43136), (652, 32352), (674, 31296), (978, 21568), (1011, 20864), (1304, 16176), (1348, 15648), (1956, 10784), (2022, 10432), (2608, 8088), (2696, 7824), (3912, 5392), (4044, 5216)]